Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Repair – replacement – or improvement
Patent
1980-11-21
1983-12-27
Taylor, Dennis L.
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
Repair, replacement, or improvement
116DIG14, 175 62, 254 29R, 405154, E21C 900, E21C 2300
Patent
active
044228007
ABSTRACT:
Disclosed is a method of installing a conduit in the earth below a grade which includes the steps of pulling a cable through the earth along the course to be traveled by the conduit and marking the ends of the cable.
REFERENCES:
patent: 2659335 (1953-11-01), English
patent: 2903252 (1959-09-01), Ebeling
patent: 3523515 (1968-10-01), Brown
patent: 3568626 (1971-03-01), Southworth
patent: 3805899 (1974-04-01), Hicks et al.
patent: 3849999 (1974-11-01), Coffey
patent: 3927637 (1975-12-01), Sammartano
patent: 4043136 (1977-08-01), Cherrington
patent: 4102413 (1978-07-01), Johnston
Doc's Road Boring, Inc.
Taylor Dennis L.
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